fix(db): make task row state authoritative

src/main/database/migrations/v55-v55.ts

@@ -0,0 +1,29 @@
+import log from "electron-log/main.js";
+import type { Migration, MigrationDeps } from "./types";
+import { columnExists, tableExists } from "./types";
+
+export function createMigrationsV55V55(deps: MigrationDeps): Migration[] {
+  const { db } = deps;
+  return [
+    {
+      version: 55,
+      name: "tasks_single_row_state",
+      fn: () => {
+        db.exec(`
+          DROP TRIGGER IF EXISTS trg_tasks_phase_from_status_insert;
+          DROP TRIGGER IF EXISTS trg_tasks_phase_from_status_update;
+        `);
+
+        if (tableExists(db, "task_leases")) {
+          db.exec("DROP TABLE task_leases");
+          log.info("[migration v55] task_leases shadow table dropped");
+        }
+
+        if (tableExists(db, "tasks") && columnExists(db, "tasks", "phase")) {
+          db.exec("ALTER TABLE tasks DROP COLUMN phase");
+          log.info("[migration v55] tasks.phase shadow column dropped");
+        }
+      },
+    },
+  ];
+}